Home / 15,530.80-23,276.77-12,230.86

Finding the Fourth Proportional to 15,530.80, 23,276.77 and 12,230.86

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Solution

The fourth proportional to 15,530.80, 23,276.77 and 12,230.86 is: 18,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.80 : 23,276.77 = 12,230.86 : x
  2. Step 2: Convert to fraction form
    15,530.80/23,276.77 = 12,230.86/x
  3. Step 3: Cross multiply
    15,530.80x = 23,276.77 × 12,230.86
  4. Step 4: Simplify right side
    15,530.80x = 284,694,915.12
  5. Step 5: Solve for x
    x = 284,694,915.12/15,530.80
  6. Step 6: Final answer
    x = 18,330.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.